Skip to contentAPILayer: production APIs with free plansExplore APILayer
Email
B2B Email & Domain Scorer logo

B2B Email & Domain Scorer API

Not rated yet · Be the first to rate it

Email verification: MX, disposable/free/role detection, typo fix and a keep/fix/drop action.

B2B Email & Domain Scorer API is a free Email API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.

Authentication
apiKey
HTTPS
Yes
CORS
Unknown
Category
Email
Uptime (30 days)
100%

Online · 1230 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

Key facts

  • 100% uptime (30 days)
  • HTTPS
APILayer

Validate emails before they bounce

mailboxlayer checks syntax, MX records and SMTP, and flags disposable addresses, with a free plan to start.

Try mailboxlayer free→Free tier on every API

B2B Email & Domain Scorer API alternatives

Compare all 46 alternatives →
anon.li logo

anon.li

Create and manage anonymous email aliases, forwarding recipients and custom domains

apiKeyHTTPSNo CORS
ContactLint logo

ContactLint

Validate email syntax, MX, disposable and role addresses with typo suggestions, plus phone numbers

apiKeyHTTPSCORS
MailChannels logo

MailChannels

Send transactional email over HTTPS with official JavaScript, Python and PHP SDKs

apiKeyHTTPSNo CORS

mailfloss

Stop spam signups: block disposable and invalid emails and suggest typo fixes. 500 free a month

apiKeyHTTPSCORS
Vetto logo

Vetto

Check email domains in bulk for disposable providers and dead domains, no key needed

No authHTTPSCORS
StopMailing logo

StopMailing

Disposable email addresses with a free, no-signup REST API

No authHTTPSCORS

Ratings & reviews

No ratings yet

Used B2B Email & Domain Scorer? Be the first to rate it.

Write a review

Your rating for B2B Email & Domain Scorer *
Select a rating

Reviews are checked by our team before they appear.

B2B Email & Domain Scorer API FAQ

Is the B2B Email & Domain Scorer API free?

Yes. The B2B Email & Domain Scorer API is listed in the Email category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the B2B Email & Domain Scorer API require an API key?

Yes. The B2B Email & Domain Scorer API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the B2B Email & Domain Scorer API from the browser?

CORS support for the B2B Email & Domain Scorer API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.

Does the B2B Email & Domain Scorer API support HTTPS?

Yes. The B2B Email & Domain Scorer API is served over HTTPS, so it's safe to use in production.

Maintain the B2B Email & Domain Scorer API? Add a badge

Show that B2B Email & Domain Scorer is listed on Public APIs. The badge displays its developer rating once it has one.

B2B Email & Domain Scorer on Public APIs

Markdown

[![B2B Email & Domain Scorer on Public APIs](https://publicapis.lol/badge/b2b-email-and-domain-scorer.svg)](https://publicapis.lol/apis/b2b-email-and-domain-scorer)

HTML

<a href="https://publicapis.lol/apis/b2b-email-and-domain-scorer"><img src="https://publicapis.lol/badge/b2b-email-and-domain-scorer.svg" alt="B2B Email & Domain Scorer on Public APIs" height="20"></a>